Breathing trainer



FIG. 1 is a perspective view of a breathing trainer, showing my newdesign;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustratingportions of the breathing trainer, which form no part of the claimeddesign.

CLAIM The ornamental design for a breathing trainer, as shown anddescribed.